13岁的艾娃长期受视网膜色素病变的眼疾侵扰,失明的恐惧让她变得寂寞又固执。这年夏天,她与单亲的妈妈和年幼的妹妹到海边度假,无论是做着日光浴的男男女女或是母亲的艳遇,周遭的一切都令她不耐,同时,她发现自己愈来愈无法清楚目视,加速失明的惊恐又紧紧攫着她,让她对世界备感绝望。艾娃的母亲为了让艾娃重拾笑颜,精心帮她安排一次永生难忘的假期,可是艾娃想用自己的方式来面对恐惧,她偷抱走了海边的一只黑狗,又碰到年轻的吉普赛男子,深深为他的率性着迷。当周遭的人都无法理解陷入黑暗的恐惧,艾娃与一路上遇到的人们,一起拥抱青春,体验生命的妙不可言。Ava, 13, is spending the summer on the Atlantic coast when she learns that she will lose her sight sooner than expected. Her mother, Maud decides to act as if everything were normal so as to spend their best summer ever. Ava confronts the problem in her own way. She steals a big black dog that belongs to a young man on the run and later they have a big adventure.